Answers
1. ∆ABC and ACD are not necessarily similar
2. ∆ABC and ADE are similar by SAS similarity
3. . ∆ABC and AGF are similar by SAS similarity
What are similar triangles?Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size. The triangles are congruent if, in addition to this, their corresponding sides are of equal length.
1. ABC and ACD are not similar because there is only one corresponding Similar sides
2. ABC and ADE are similar because there are two corresponding sides and an equal angle A'
3. ABC and ACD are similar because is equal angle A and two corresponding sides.
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Related Questions
is a 20% off coupon and a 10% off coupon the same thing as using a 30% off coupon
Answers
Answer: no
Step-by-step explanation:
Please asp 50 points and brainly
Answers
Answer:
A= 9/20 B= 45% C=0.45 d= 4.5% E= 3/8 F= 0.375 G= 37.5% H= 15.5% I = 0.8 j=80%
Annabel sent 39 text messages to her brother during the last 13 days. How many text messages did she send her brother each day if she sent him the same number of text messages each day?
Answers
Answer: 3
Step-by-step explanation:
39 divided by 13 is equal to 3
there are 39 days, and if you divide it by how many days (13), you would get how many messages were sent each day which is 3
Well It’s Really Simple You’ve Could Have A Calculator. 52 Fifty- Two
Find the other endpoint: if Q is the midpoint of segment PR, find the coordinates of R if point P is (11,-2) and point Q is (-2,3)
Answers
The coordinates of R are (-15, 8). The solution has been obtained by using Mid point formula.
What is Mid point formula?
The centre point of a straight line can be located using the midpoint formula. If we know the coordinates of the other endpoint and the midpoint, we can use the midpoint formula to obtain the coordinates of the endpoint as well.
We are given that Q is the midpoint of segment PR and point P is (11,-2) and point Q is (-2,3).
Let the coordinates of R be (x₂, y₂)
Using Mid point formula, we get
⇒Point Q = ((x₁ + x₂) / 2, (y₁ + y₂) / 2)
⇒(-2,3) = ((11 + x₂) / 2, (-2 + y₂) / 2)
So,
⇒-2 = (11 + x₂) / 2
⇒-4 = 11 + x₂
⇒x₂ = -15
Similarly,
⇒3 = (-2 + y₂) / 2
⇒6 = -2 + y₂
⇒y₂ = 8
Hence, the coordinates of R are (-15, 8).
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2+2+??= 4,000
helppppppppppppppppppppppp
Answers
Answer:
2 + 2 + ?? = 4,000
?? = 3996
Step-by-step explanation:
You're welcome.
If you were counting by 4's, what are the next three numbers you would
count?
56, 60, 64, 68, ?, ?, ?...
OA. 72, 80, 88
OB. 76, 80, 84
C. 72, 76, 80
OD. 60, 64, 68
Answers
Answer: The answer would be C
Step-by-step explanation:
If we start from 56,60,64,68 and were adding 4 each time the next numbers would be 72,76,80
I suck at math, so someone who is good at it please help me.
Answers
Alternate interior angles = ∠7 and ∠9.
Corresponding angles = ∠1 and ∠7
Vertical angles = ∠4 and ∠11
∠7 = 60°
∠8 = 120°
∠9 = 60°
How do angles work?When two lines meet, they intersect at an angle. By using the symbol, we may symbolise an angle.
Two lines meet at the common vertex of an angle, which has one common leg. A straight line's one side always has a total angle of 180 degrees. On the other hand, a point's surrounding angles are always added up to 360 degrees.
Here,
We can see that the Alternate interior angles = ∠7 and ∠9.
Corresponding angles = ∠1 and ∠7
Vertical angles = ∠4 and ∠11
Given, ∠1 = 60°
Now similarly, using the angles properties we can ind the rest of the angles.
∠7 = 60°
∠8 = 120°
∠9 = 60°
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Solve Show all steps
(x^3/2)^6/5 =x^a
Answers
[tex](x^{3/2} )^{6/5}[/tex]
= [tex]x^{9/5}[/tex]
The value of a after solving through exponents = 9/5
What are exponents?The way of representing huge numbers in terms of powers is known as an exponent. The number of times a number has been multiplied by itself is the exponent, so to speak.
For instance, the result of multiplying the number 6 by itself four times is:
6 × 6 × 6 × 6. You can write this as
Now here,
[tex](x^{3/2} )^{6/5}[/tex]
= [tex]x^{9/5}[/tex]
Therefore, the value of a = 9/5.
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Write an equation for the graph that passes through (1,7) and (3,3).
Answers
We can use the two-point form to find the equation of the line passing through the two given points:
y - y1 = ((y2 - y1)/(x2 - x1))(x - x1)
where (x1, y1) = (1, 7) and (x2, y2) = (3, 3).
Substituting the values, we get:
y - 7 = ((3 - 7)/(3 - 1))(x - 1)
Simplifying the equation, we get:
y - 7 = (-2/2)(x - 1)
y - 7 = -x + 1
Adding 7 to both sides, we get:
y = -x + 8
Therefore, the equation of the line passing through the points (1, 7) and (3, 3) is y = -x + 8.
Hope this helps <3
Please give me Brainliest :)
Match the cylinder in the left column with its surface area in the right column
Show work please!! I need this ASAP
Answers
The surface area of the cylinder is 502.4 in², 602.88 in² and 175.84 in² respectively
What is an equation?An equation is an expression that shows the relationship between numbers and variables using mathematical operators such as addition, subtraction, exponent, multiplication and division.
The surface area of a cylinder is:
Surface area = 2πr(r + h)
where r is the radius and h is the height
1) r = 5 in., h = 11 in. and π = 3.14, hence:
Surface area = 2πr(r + h) = 2(3.14)(5)(5 + 11) = 502.4 in²
2) r = 6 in., h = 10 in. and π = 3.14, hence:
Surface area = 2πr(r + h) = 2(3.14)(6)(6 + 10) = 602.88 in²
3) r = 2 in., h = 12 in. and π = 3.14, hence:
Surface area = 2πr(r + h) = 2(3.14)(2)(2 + 12) = 175.84 in²
The surface area of the cylinder is 502.4 in², 602.88 in² and 175.84 in² respectively
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Quadratic worded question
The owner of a fish shop bought x kilograms of salmon for $400 from the wholesale market. At the end of the day, all except for 2 kg of the fish were sold at a price per kg that was $10 more than what the owner paid at the market. From the sale of the fish, a total of $540 was made. Calculate how many kilograms of salmon the fish-shop owner bought at the market.
Answers
Answer: 23 kg
Step-by-step explanation:
Let's begin by using algebra to solve the problem.
Let x be the number of kilograms of salmon the fish-shop owner bought at the market.
We know that the total cost of the salmon was $400, so we can write:
400 = x * c
where c is the cost per kilogram of salmon.
We also know that all except for 2 kg of the fish were sold at a price per kg that was $10 more than what the owner paid at the market. So the price per kilogram of salmon at the fish shop was c + 10.
The total revenue from the sale of the fish was $540, so we can write:
540 = (x - 2) * (c + 10)
Now we can use these two equations to solve for x.
First, we can use the first equation to solve for c:
c = 400 / x
Then we can substitute this expression for c into the second equation:
540 = (x - 2) * (400/x + 10)
Simplifying this equation:
540 = 4000/x + 10x - 20 - 80/x
Multiplying both sides by x:
540x = 4000 + 10x^2 - 20x - 80
10x^2 - 20x - 4600 = 0
Dividing both sides by 10:
x^2 - 2x - 460 = 0
We can solve for x using the quadratic formula:
x = [2 ± sqrt(4 + 4*460)] / 2
x = [2 ± 44] / 2
Discarding the negative solution, we get:
x = (2 + 44) / 2
x = 23
Therefore, the fish-shop owner bought 23 kilograms of salmon at the market.
The circumference of the bike tire above is 82.268 inches.
What is the radius of the bike tire? (Use 3.14 for .)
A.
26.2 in
B.
13.1 in
C.
41.13 in
D.
258.32 in
Answers
Step-by-step explanation:
The circumference of the bike tire above is 82.268 inches.
What is the radius of the bike tire? (Use 3.14 for .)
A.
26.2 in
B.
13.1 in
C.
41.13 in
D.
258.32 in
Ps=the answer is B
Arrange these in descending order
0. 68
0. 5
0. 345
0. 99
Answers
simplify the radical expression below 2/9.
Answers
The simplification of the radical expression √9. is 3.
What is radical expression?Radical expressions are simplified by taking them down to their most basic form and, if feasible, altogether deleting the radical. When a radical expression appears in the denominator of an algebraic expression, the radical expression is simplified by multiplying the numerator and denominator by the appropriate radical expression (for example, conjugate in the case of a binomial and the same radical in the case of a monomial).
The given expression is √9.
The given expression can be written as:
√(3)(3) = 3
Hence, the simplification of the radical expression √9. is 3.
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Reference Library. 40. In a standard deck of 52 cards, what is the probability of drawing a King (4 cards ), a Queen ( 4 cards ), or a Jack ( 4 cards )?
Answers
The probability of drawing a King, Queen, or Jack from a standard deck of 52 cards is 3/13.
The probability of drawing a King, Queen, or Jack in a standard deck of 52 cards can be calculated by using the formula for the probability of an event happening: P(E) = number of favorable outcomes / total number of possible outcomes.
In this case, the number of favorable outcomes is the total number of Kings, Queens, and Jacks in the deck, which is 4 + 4 + 4 = 12. The total number of possible outcomes is the total number of cards in the deck, which is 52.
So, the probability of drawing a King, Queen, or Jack is:
P(E) = 12 / 52
Simplifying this fraction gives us:
P(E) = 3 / 13
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In triangle ABC, Angle C is a right angle. Find the value of the trig function. Find the Tan A if c=7√10 and a=21
Answers
Answer:
tan A= 8/15
draw triangle where A and B are legs and C is hypotenuse
A=8 and C=17, meaning that you need to find B by using Pythagorean theorem (a^2+b^2=c^2)
8^2+b^2=17^2
64+b^2=289
b^2=225
b=15
tan= opposite/adjacent
tan A=8/15
In this picture, the white ball _____________ its momentum to the red ball. fill in the blank.
Answers
The white ball is transferring its momentum to the red ball.
The missing blank is "transferring".
The statement "the white ball is transferring its momentum to the red ball" is based on the law of conservation of momentum.
According to this law, the total momentum of a closed system (in which no external forces act on the system) is conserved. This means that the momentum lost by one object in the system must be gained by another object in the system.
So we can conclude that, in the picture, the white ball and the red ball together form a closed system, and the collision between them causes the white ball to transfer some of its momentum to the red ball, in accordance with the law of conservation of momentum.
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Compute the x and y coordinates for points on sine and cosine curves. Set up a subplot grid that has height 2 and width 1 and set the first such subplot as active. Plot the sine and cosine graphs. Hint: Use the plt.subplot() function
Answers
plt.plot(x, y_sine)
plt.plot(x, y_cosine)
To compute the x and y coordinates for points on sine and cosine curves, you need to use the trigonometric functions sine and cosine. To plot the sine and cosine graphs in the same figure, you need to create a subplot grid using the plt.subplot() function. This function takes in the number of rows, columns and the active plot you want to plot the graphs in.
To create a subplot grid that has height 2 and width 1 and set the first subplot as active, the code will look like this:
plt.subplot(2, 1, 1)
You can then plot the sine and cosine graphs by using the x and y coordinates calculated from the sine and cosine functions. The code for plotting the graphs will look like this:
plt.plot(x, y_sine)
plt.plot(x, y_cosine)
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James spent 2/5 of his pocket money on snacks and 1/4 of the remaining amount on snacks a) Calculate the fraction of his pocket money spent on snacks. b)calculate his pocket money if he still has$9.00 left
Answers
Answer: about 26.00
Step-by-step explanation:
Question 2 of 10
Solve the inequality for x and identify the graph of its solution.
|x+3|< 2
Choose the answer that gives both the correct solution and the correct graph.
A. Solution: x < -5 or x>-1
411
O
-8 -7 -6 -5 -4 -3 -2 -1 0 12
B. Solution: x>-5 and x < -1
+
O11
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2
OC. Solution: x>-5 and x < -1
O
-8-7-6 -5 -4 -3 -2 -1 0 1 2
OD. Solution: x < 1 or x>5
O
-2 -1 0 1 2 3
3
4
O
5 6 7 8
Answers
The solution of the inequality |x+3| < 2 is -5 < x < -1.
And the graph is given in the image below.
The correct option is C.
What is inequality?In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.
To solve the inequality |x+3| < 2, we need to consider two cases:
Case 1: x+3 ≥ 0
In this case, the inequality simplifies to x+3 < 2, which gives us x < -1.
Case 2: x+3 < 0
In this case, the inequality simplifies to -(x+3) < 2, which gives us -x-3 < 2, or -x < 5, or x > -5.
Combining the results from both cases, we get the solution:
-5 < x < -1
To graph the solution, we draw an open circle at x=-3
(since the absolute value is less than 2, not less than or equal to), and shade the region between -5 and -1.
Therefore, the solution is -5 < x < -1.
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(1 point) The radius of the circle with a central angle of 6 radians that intercepts an arc with length 88 cm is _____ cm. The radius of the circle with a central angle of 120° that intercepts an arc with length 17 miles is_____ miles.
Answers
The radius of the first circle is 14.67 cm and the radius of the second circle is 8.11 miles.
The radius of a circle can be found by using the formula s = rθ, where s is the length of the arc, r is the radius, and θ is the central angle in radians. Rearranging the formula, we can find the radius by dividing the length of the arc by the central angle: r = s/θ.
For the first part of the question, we are given an arc length of 88 cm and a central angle of 6 radians. Plugging these values into the formula, we can find the radius:
r = 88 cm / 6 radians = 14.67 cm
For the second part of the question, we are given an arc length of 17 miles and a central angle of 120°. However, we need to convert the central angle from degrees to radians before plugging it into the formula. We can do this by multiplying the angle in degrees by π/180:
120° × π/180 = 2π/3 radians
Now we can plug the values into the formula to find the radius:
r = 17 miles / (2π/3) radians = 8.11 miles
So the radius of the first circle is 14.67 cm and the radius of the second circle is 8.11 miles.
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PLEAAAASEEEE HELPP!!!!!!!!!!! I WILL GIVE BRAINLIEST!!!!!!!!!!
Answers
1. The y-intercept of y = -3/2x - 4, is -4, which would be marked at y = -4 on the y-axis.
2. The slope (m) = 3; y-intercept (b) = -86;
The equation for the situation is: y = 3x - 86
3. Median of class A = 40; Median of class B = 8
The difference is: 32
What is the Y-intercept of a Linear Equation?In a linear equation, the y-intercept is the point at which the graph of the equation intersects the y-axis. It is the value of y when x is equal to zero.
1. The y-intercept of the equation, y = -3/2x - 4, is -4. This means the y-intercept on the graph would be at when y = -4 on the y-axis.
2. The slope (m) = unit rate = 3 degrees every hour
The starting value = y-intercept (b) of the situation = -86
To write an equation for the situation substitute m = 3 and b = -86 into y = mx + b:
y = 3x - 86
3. Median is the middle value of a data set, therefore:
Median of class A = 40
Median of class B = 8
The difference between the medians of the class = 40 - 8 = 32
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HELP PLEASE THIS IS SOO HAARD!!!!!!!!
If a car is going at 75 mph, how far would you get in one hour?
Answers
Answer: 75
Step-by-step explanation:
MPH stands for Miles per hour
So the car drives 75 miles per hour
The scale factor of two similar hexagons is 3:7. The area of the smaller hexagon is 18 m2. What is the volume of the larger hexagon?
42 m2
36 m2
98 m2
5832 m2
324 m2
Answers
The area of the hexagon is 98 sq. m and option 3 is the correct answer.
What is a hexagon?The closed polygonal form of a regular hexagon has six equal sides and six equal angles. Any regular polygon has equal sides and angles on all sides. Regular pentagons, for instance, have 5 equal sides, while regular octagons have 8 equal sides. When these requirements are not satisfied, polygons might resemble many other asymmetrical forms. A regular hexagon is formed when six equilateral triangles are placed side by side. The regular hexagon's area then increases to six times that of the identical triangle.
Given that,
The scale factor of two similar hexagons is 3:7.
The ratio of the area will thus be,
(3/7)^2 = 9/49.
For the area of the smaller hexagon as 18 we have:
9/49 = 18/A
(9/49)A = 18
Multiplying both sides by 49/9, we get:
A = 98 sq. m
The volume of the hexagon cannot be determined by the given information.
Hence, the area of the hexagon is 98 sq. m and option 3 is the correct answer.
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Suppose you're deciding where to order a Hawaiian pizza, and waiting time is a concern of yours. You're considering Krazy Karl's Pizza where the average waiting time is 64 minutes, with a standard deviation of 4. 5 minutes. Or, you might call Domino's Pizza where the average waiting time is 54. 6 minutes, with a standard deviation of 8. 1 minutes.
Z-score for a waiting time of
65 minutes at Krazy Karl's: 0. 222
61. 1 minutes at Domino's: 0. 802
1. How many standard deviations away from the average is a wait time of 71. 8 minutes from Krazy Karl's?
2. About 50% of wait times from Krazy Karl's are smaller than ___ minutes
3. About 95% of wait times for Krazy Karl's are approximately between __ minutes and __ minutes.
4. About 99. 7% of wait times for Domino's are approximately between___ minutes and ___ minutes.
5. How long would you have to wait for a Domino's pizza to be in the same percentile as a wait time of 74 minutes from Krazy Karl's? In other words, what wait time for Domino's is "equivalent" to a wait time of 74 minutes from Krazy Karl's?
6. How long would you have to wait for a Krazy Karl's pizza to be in the same percentile as a wait time of 54 minutes from Domino's? In other words, what wait time for Krazy Karl's is "equivalent" to a wait time of 54 minutes from Domino's?
Answers
Answer:
vydbskehhwbe
Step-by-step explanation:
bshhdvjebheunsns
hey you can you stop and help me look at the picture pls and thx then can you answer pls
Answers
The line which is not transversal to LR would be Line TK.
How are parallel straight lines related?Parallel lines have the same slope since the slope is like a measure of steepness and since parallel lines are of the same steepness, thus, are of the same slope.
Since the given parallel line has equation y = 2x + 2, thus its slope is 2 and thus, the slope of the needed line is 2 too.
Properties of Parallel Lines Cut by a Transversal
The corresponding angles are equal and the vertically opposite angles are equal.
The alternate interior angles are equal and the alternate exterior angles are equal.
Also, pair of interior angles on the same side of the transversal is supplementary.
Since we know that transversal is a line that intersects two or more other lines at different points.
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Line TK is not transversal to line LR.
What are parallel lines?Parallel lines are the lines that do not intersect or meet each other at any point in a plane. They are always parallel and are at equidistant from each other. Parallel lines are non-intersecting lines. We can also say Parallel lines meet at infinity.
Given,
Line PR and KT are parallel
By the figure,
PR = LR
and KT = TK
PR || KT
∴ LR || TK
Hence, TK is the line, that is not the transversal line to LR.
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Quadratic Functions:
Evaluate the function fx= -4x2+6x-1 to find
f-1
Using the same function, when is fx=0
Answers
For function fx= -4x2+6x-1
f(-1) = -11 fx=0 when x = (3+√5)/4 and x = (3-√5)/4.To find f(-1), we need to plug in -1 for x in the function and simplify:
f(-1) = -4(-1)2+6(-1)-1
f(-1) = -4+(-6)-1
f(-1) = -11
To find when fx=0, we need to set the function equal to 0 and solve for x: -4x2+6x-1=0
We can use the quadratic formula to solve for x:
x = (-b ± √(b2-4ac))/(2a)
x = (-(6) ± √((6)2-4(-4)(-1)))/(2(-4))
x = (-6 ± √(36-16))/(-8)
x = (-6 ± √20)/(-8)
x = (-6 ± 2√5)/(-8)
x = (3 ± √5)/4
So, the two values of x that make fx=0 are (3+√5)/4 and (3-√5)/4.
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Which graph shows the solution to the inequality? x + 2 < -3 A) A B) B C) C D) D
Answers
Therefore , the solution of the given problem of inequality comes out to be the inequality x -5 is option B.
What does inequality imply in reality?Regardless of the equal symbol, a connection or group of numbers variables can be an inequality in mathematics. Equilibrium is always followed by equity. Inequality happens when ideals are still incompatible. Differences exist between inequality expression and fairness. We chose to utilize the most prevalent symbol because elements aren't always similar or comparable (). No mater how few or many variations there are, they can all be used to evaluate values.
Here,
Option B) B is the proper response.
We must isolate x on one side of the inequality in order to answer the inequality x + 2 -3. By taking 2 away from both edges, we arrive at:
=> x < -5
According to this inequality, x is any integer that is less than -5. Since x cannot equal -5,
we must create an open circle at this point on the number line and shade to the left of it to represent all the different values of x that could be used.
Looking at the available choices, we can see that the only graph that accurately depicts the inequality x -5 is option B) B.
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a ice cream truck driver figured out that the number of ratio of vanilla to chocolate ice cream cones sold was 5 to 2 if 125 vanilla cones were sold how many chocolate cones were sold?
Answers
Answer: 50 chocolate cones
Step-by-step explanation: if 5 is 125 vanilla then 125/5= 25 so every 1=25 and that means 2*25= 50
Answer:
50. There were 50 chocolate cones sold.
Step-by-step explanation:
so we do it like this: see the attachment for the work i did to solve
*Baige=Vanilla*
*brown=chocolate*
when you cross multiply you get 50
the numbers 2.888... and 2.999... are both rational numbers. What is an irrational number the is between the two rational numbers?
Answers
2.8889........., 2.8890........, 2.8891...... etc is an irrational number the is between the two rational numbers.
What is a rational number, with an example?
Any number with the pattern p/q, where p and q are integers and q is not equal to 0, is a rational number. Rational numbers include, among others, 1/3, 2/4, 1/5, 9/3, and so forth.
A rational number is a number which is can be represented as the quotient of two numbers without having any remainder i.e., having remainder 0. For example 2.45, 2, 3 etc.
An irrational number has a non zero remainder and has a non terminating quotient. For example the numbers shown in the question 2.888...... and 2.999..... etc.
So the numbers between 2.888... and 2.999... are 2.8889........., 2.8890........, 2.8891...... etc
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